diff options
Diffstat (limited to 'builder/modules.d/wlan-boot/scripts/dhcpcd-hooks')
11 files changed, 905 insertions, 0 deletions
diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/01-test b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/01-test new file mode 100755 index 00000000..d4cf8281 --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/01-test @@ -0,0 +1,8 @@ +# Echo the interface flags, reason and message options + +if [ "$reason" = "TEST" ]; then + set | grep "^\(interface\|pid\|reason\|profile\|skip_hooks\)=" | sort + set | grep "^if\(carrier\|flags\|mtu\|wireless\|ssid\)=" | sort + set | grep "^\(new_\|old_\|nd[0-9]*_\)" | sort + exit 0 +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/02-dump b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/02-dump new file mode 100755 index 00000000..0d515f78 --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/02-dump @@ -0,0 +1,8 @@ +# Just echo our DHCP options we have + +case "$reason" in +DUMP|DUMP6) + set | sed -ne 's/^new_//p' | sort + exit 0 + ;; +esac diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/10-wpa_supplicant b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/10-wpa_supplicant new file mode 100755 index 00000000..adea9957 --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/10-wpa_supplicant @@ -0,0 +1,118 @@ +# Start, reconfigure and stop wpa_supplicant per wireless interface. +# This is needed because wpa_supplicant lacks hotplugging of any kind +# and the user should not be expected to have to wire it into their system +# if the base system doesn't do this itself. + +if [ -z "$wpa_supplicant_conf" ]; then + for x in \ + /etc/wpa_supplicant/wpa_supplicant-"$interface".conf \ + /etc/wpa_supplicant/wpa_supplicant.conf \ + /etc/wpa_supplicant-"$interface".conf \ + /etc/wpa_supplicant.conf \ + ; do + if [ -s "$x" ]; then + wpa_supplicant_conf="$x" + break + fi + done +fi +: ${wpa_supplicant_conf:=/etc/wpa_supplicant.conf} + +wpa_supplicant_ctrldir() +{ + local dir + + dir=$(key_get_value "[[:space:]]*ctrl_interface=" \ + "$wpa_supplicant_conf") + dir=$(trim "$dir") + case "$dir" in + DIR=*) + dir=${dir##DIR=} + dir=${dir%%[[:space:]]GROUP=*} + dir=$(trim "$dir") + ;; + esac + printf %s "$dir" +} + +wpa_supplicant_start() +{ + local dir err errn + + # If the carrier is up, don't bother checking anything + [ "$ifcarrier" = "up" ] && return 0 + + # Pre flight checks + if [ ! -s "$wpa_supplicant_conf" ]; then + syslog warn \ + "$wpa_supplicant_conf does not exist" + syslog warn "not interacting with wpa_supplicant(8)" + return 1 + fi + dir=$(wpa_supplicant_ctrldir) + if [ -z "$dir" ]; then + syslog warn \ + "ctrl_interface not defined in $wpa_supplicant_conf" + syslog warn "not interacting with wpa_supplicant(8)" + return 1 + fi + + wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1 && return 0 + syslog info "starting wpa_supplicant" + driver=${wpa_supplicant_driver:+-D}$wpa_supplicant_driver + err=$(systemctl start wpa_supplicant 2>&1) + errn=$? + if [ $errn != 0 ]; then + syslog err "failed to start wpa_supplicant" + syslog err "$err" + fi + return $errn +} + +wpa_supplicant_reconfigure() +{ + local dir err errn + + dir=$(wpa_supplicant_ctrldir) + [ -z "$dir" ] && return 1 + if ! wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1; then + wpa_supplicant_start + return $? + fi + syslog info "reconfiguring wpa_supplicant" + err=$(wpa_cli -p "$dir" -i "$interface" reconfigure 2>&1) + errn=$? + if [ $errn != 0 ]; then + syslog err "failed to reconfigure wpa_supplicant" + syslog err "$err" + fi + return $errn +} + +wpa_supplicant_stop() +{ + local dir err errn + + dir=$(wpa_supplicant_ctrldir) + [ -z "$dir" ] && return 1 + wpa_cli -p "$dir" -i "$interface" status >/dev/null 2>&1 || return 0 + syslog info "stopping wpa_supplicant" + err=$(wpa_cli -i"$interface" terminate 2>&1) + errn=$? + if [ $errn != 0 ]; then + syslog err "failed to start wpa_supplicant" + syslog err "$err" + fi + return $errn +} + +if [ "$ifwireless" = "1" ] && \ + type wpa_supplicant >/dev/null 2>&1 && \ + type wpa_cli >/dev/null 2>&1 +then + case "$reason" in + PREINIT|NOCARRIER) wpa_supplicant_start;; + RECONFIGURE) wpa_supplicant_reconfigure;; + DEPARTED) wpa_supplicant_stop;; + esac +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/15-timezone b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/15-timezone new file mode 100755 index 00000000..0ccdc45b --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/15-timezone @@ -0,0 +1,48 @@ +# Configure timezone + +: ${localtime:=/etc/localtime} + +set_zoneinfo() +{ + local zoneinfo_dir= zone_file= + + [ -z "$new_tzdb_timezone" ] && return 0 + + for d in \ + /usr/share/zoneinfo \ + /usr/lib/zoneinfo \ + /var/share/zoneinfo \ + /var/zoneinfo \ + ; do + if [ -d "$d" ]; then + zoneinfo_dir="$d" + break + fi + done + + if [ -z "$zoneinfo_dir" ]; then + syslog warning "timezone directory not found" + return 1 + fi + + zone_file="$zoneinfo_dir/$new_tzdb_timezone" + if [ ! -e "$zone_file" ]; then + syslog warning "no timezone definition for $new_tzdb_timezone" + return 1 + fi + + if copy_file "$zone_file" "$localtime"; then + syslog info "timezone changed to $new_tzdb_timezone" + fi +} + +# For ease of use, map DHCP6 names onto our DHCP4 names +case "$reason" in +BOUND6|RENEW6|REBIND6|REBOOT6|INFORM6) + new_tzdb_timezone="$new_dhcp6_tzdb_timezone" + ;; +esac + +if $if_up; then + set_zoneinfo +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/20-resolv.conf b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/20-resolv.conf new file mode 100755 index 00000000..e4db368d --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/20-resolv.conf @@ -0,0 +1,204 @@ +# Generate /etc/resolv.conf +# Support resolvconf(8) if available +# We can merge other dhcpcd resolv.conf files into one like resolvconf, +# but resolvconf is preferred as other applications like VPN clients +# can readily hook into it. +# Also, resolvconf can configure local nameservers such as bind +# or dnsmasq. This is important as the libc resolver isn't that powerful. + +resolv_conf_dir="$state_dir/resolv.conf" +NL=" +" +: ${resolvconf:=resolvconf} + +build_resolv_conf() +{ + local cf="$state_dir/resolv.conf.$ifname" + local interfaces= header= search= srvs= servers= x= + + # Build a list of interfaces + interfaces=$(list_interfaces "$resolv_conf_dir") + + # Build the resolv.conf + if [ -n "$interfaces" ]; then + # Build the header + for x in ${interfaces}; do + header="$header${header:+, }$x" + done + + # Build the search list + domain=$(cd "$resolv_conf_dir"; \ + key_get_value "domain " ${interfaces}) + search=$(cd "$resolv_conf_dir"; \ + key_get_value "search " ${interfaces}) + set -- ${domain} + domain="$1" + [ -n "$2" ] && search="$search $*" + [ -n "$search" ] && search="$(uniqify $search)" + [ "$domain" = "$search" ] && search= + [ -n "$domain" ] && domain="domain $domain$NL" + [ -n "$search" ] && search="search $search$NL" + + # Build the nameserver list + srvs=$(cd "$resolv_conf_dir"; \ + key_get_value "nameserver " ${interfaces}) + for x in $(uniqify ${srvs}); do + servers="${servers}nameserver $x$NL" + done + fi + header="$signature_base${header:+ $from }$header" + + # Assemble resolv.conf using our head and tail files + [ -f "$cf" ] && rm -f "$cf" + [ -d "$resolv_conf_dir" ] || mkdir -p "$resolv_conf_dir" + echo "$header" > "$cf" + if [ -f /etc/resolv.conf.head ]; then + cat /etc/resolv.conf.head >> "$cf" + else + echo "# /etc/resolv.conf.head can replace this line" >> "$cf" + fi + printf %s "$domain$search$servers" >> "$cf" + if [ -f /etc/resolv.conf.tail ]; then + cat /etc/resolv.conf.tail >> "$cf" + else + echo "# /etc/resolv.conf.tail can replace this line" >> "$cf" + fi + if change_file /etc/resolv.conf "$cf"; then + chmod 644 /etc/resolv.conf + fi + rm -f "$cf" +} + +# Extract any ND DNS options from the RA +# For now, we ignore the lifetime of the DNS options unless they +# are absent or zero. +# In this case they are removed from consideration. +# See draft-gont-6man-slaac-dns-config-issues-01 for issues +# regarding DNS option lifetime in ND messages. +eval_nd_dns() +{ + + eval ltime=\$nd${i}_rdnss${j}_lifetime + if [ -z "$ltime" -o "$ltime" = 0 ]; then + rdnss= + else + eval rdnss=\$nd${i}_rdnss${j}_servers + fi + eval ltime=\$nd${i}_dnssl${j}_lifetime + if [ -z "$ltime" -o "$ltime" = 0 ]; then + dnssl= + else + eval dnssl=\$nd${i}_dnssl${j}_search + fi + + [ -z "$rdnss" -a -z "$dnssl" ] && return 1 + + [ -n "$rdnss" ] && new_rdnss="$new_rdnss${new_rdnss:+ }$rdnss" + [ -n "$dnssl" ] && new_dnssl="$new_dnssl${new_dnssl:+ }$dnssl" + j=$(($j + 1)) + return 0 +} + +add_resolv_conf() +{ + local x= conf="$signature$NL" warn=true + local i j ltime rdnss dnssl new_rdnss new_dnssl + + # Loop to extract the ND DNS options using our indexed shell values + i=1 + j=1 + while true; do + while true; do + eval_nd_dns || break + done + i=$(($i + 1)) + j=1 + eval_nd_dns || break + done + [ -n "$new_rdnss" ] && \ + new_domain_name_servers="$new_domain_name_servers${new_domain_name_servers:+ }$new_rdnss" + [ -n "$new_dnssl" ] && \ + new_domain_search="$new_domain_search${new_domain_search:+ }$new_dnssl" + + # Derive a new domain from our various hostname options + if [ -z "$new_domain_name" ]; then + if [ "$new_dhcp6_fqdn" != "${new_dhcp6_fqdn#*.}" ]; then + new_domain_name="${new_dhcp6_fqdn#*.}" + elif [ "$new_fqdn" != "${new_fqdn#*.}" ]; then + new_domain_name="${new_fqdn#*.}" + elif [ "$new_host_name" != "${new_host_name#*.}" ]; then + new_domain_name="${new_host_name#*.}" + fi + fi + + # If we don't have any configuration, remove it + if [ -z "$new_domain_name_servers" -a \ + -z "$new_domain_name" -a \ + -z "$new_domain_search" ]; then + remove_resolv_conf + return $? + fi + + if [ -n "$new_domain_name" ]; then + set -- $new_domain_name + if valid_domainname "$1"; then + conf="${conf}domain $1$NL" + else + syslog err "Invalid domain name: $1" + fi + # If there is no search this, make this one + if [ -z "$new_domain_search" ]; then + new_domain_search="$new_domain_name" + [ "$new_domain_name" = "$1" ] && warn=true + fi + fi + if [ -n "$new_domain_search" ]; then + if valid_domainname_list $new_domain_search; then + conf="${conf}search $new_domain_search$NL" + elif ! $warn; then + syslog err "Invalid domain name in list:" \ + "$new_domain_search" + fi + fi + for x in ${new_domain_name_servers}; do + conf="${conf}nameserver $x$NL" + done + if type "$resolvconf" >/dev/null 2>&1; then + [ -n "$ifmetric" ] && export IF_METRIC="$ifmetric" + printf %s "$conf" | "$resolvconf" -a "$ifname" + return $? + fi + + if [ -e "$resolv_conf_dir/$ifname" ]; then + rm -f "$resolv_conf_dir/$ifname" + fi + [ -d "$resolv_conf_dir" ] || mkdir -p "$resolv_conf_dir" + printf %s "$conf" > "$resolv_conf_dir/$ifname" + build_resolv_conf +} + +remove_resolv_conf() +{ + if type "$resolvconf" >/dev/null 2>&1; then + "$resolvconf" -d "$ifname" -f + else + if [ -e "$resolv_conf_dir/$ifname" ]; then + rm -f "$resolv_conf_dir/$ifname" + fi + build_resolv_conf + fi +} + +# For ease of use, map DHCP6 names onto our DHCP4 names +case "$reason" in +BOUND6|RENEW6|REBIND6|REBOOT6|INFORM6) + new_domain_name_servers="$new_dhcp6_name_servers" + new_domain_search="$new_dhcp6_domain_search" + ;; +esac + +if $if_up || [ "$reason" = ROUTERADVERT ]; then + add_resolv_conf +elif $if_down; then + remove_resolv_conf +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/29-lookup-hostname b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/29-lookup-hostname new file mode 100755 index 00000000..04ad275e --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/29-lookup-hostname @@ -0,0 +1,40 @@ +# Lookup the hostname in DNS if not set + +lookup_hostname() +{ + [ -z "$new_ip_address" ] && return 1 + local h= + # Silly ISC programs love to send error text to stdout + if type dig >/dev/null 2>&1; then + h=$(dig +short -x $new_ip_address) + if [ $? = 0 ]; then + echo "$h" | sed 's/\.$//' + return 0 + fi + elif type host >/dev/null 2>&1; then + h=$(host $new_ip_address) + if [ $? = 0 ]; then + echo "$h" \ + | sed 's/.* domain name pointer \(.*\)./\1/' + return 0 + fi + elif type getent >/dev/null 2>&1; then + h=$(getent hosts $new_ip_address) + if [ $? = 0 ]; then + echo "$h" | sed 's/[^ ]* *\([^ ]*\).*/\1/' + return 0 + fi + fi + return 1 +} + +set_hostname() +{ + if [ -z "$new_host_name" -a -z "$new_fqdn_name" ]; then + export new_host_name="$(lookup_hostname)" + fi +} + +if $if_up; then + set_hostname +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/30-hostname b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/30-hostname new file mode 100755 index 00000000..eea6a5ce --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/30-hostname @@ -0,0 +1,155 @@ +# Set the hostname from DHCP data if required + +# A hostname can either be a short hostname or a FQDN. +# hostname_fqdn=true +# hostname_fqdn=false +# hostname_fqdn=server + +# A value of server means just what the server says, don't manipulate it. +# This could lead to an inconsistent hostname on a DHCPv4 and DHCPv6 network +# where the DHCPv4 hostname is short and the DHCPv6 has an FQDN. +# DHCPv6 has no hostname option. +# RFC4702 section 3.1 says FQDN should be prefered over hostname. +# +# As such, the default is hostname_fqdn=true so that a consistent hostname +# is always assigned. +: ${hostname_fqdn:=true} + +# Some systems don't have hostname(1) +_hostname() +{ + local name= + + if [ -z "$1" ]; then + if type hostname >/dev/null 2>&1; then + hostname + elif [ -r /proc/sys/kernel/hostname ]; then + read name </proc/sys/kernel/hostname && echo "$name" + elif sysctl kern.hostname >/dev/null 2>&1; then + sysctl -n kern.hostname + elif sysctl kernel.hostname >/dev/null 2>&1; then + sysctl -n kernel.hostname + else + return 1 + fi + return $? + fi + + # Always prefer hostname(1) if we have it + if type hostname >/dev/null 2>&1; then + hostname "$1" + elif [ -w /proc/sys/kernel/hostname ]; then + echo "$1" >/proc/sys/kernel/hostname + elif sysctl kern.hostname >/dev/null 2>&1; then + sysctl -w "kern.hostname=$1" + elif sysctl kernel.hostname >/dev/null 2>&1; then + sysctl -w "kernel.hostname=$1" + else + # We know this will fail, but it will now fail + # with an error to stdout + hostname "$1" + fi +} + +need_hostname() +{ + local hostname hfqdn=false hshort=false + + case "$force_hostname" in + [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|1) return 0;; + esac + + hostname="$(_hostname)" + case "$hostname" in + ""|"(none)"|localhost|localhost.localdomain) return 0;; + esac + + case "$hostname_fqdn" in + [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|1) hfqdn=true;; + ""|[Ss][Ee][Rr][Vv][Ee][Rr]) ;; + *) hshort=true;; + esac + + if [ -n "$old_fqdn" ]; then + if ${hfqdn} || ! ${hsort}; then + [ "$hostname" = "$old_fqdn" ] + else + [ "$hostname" = "${old_fqdn%%.*}" ] + fi + elif [ -n "$old_host_name" ]; then + if ${hfqdn}; then + if [ -n "$old_domain_name" -a \ + "$old_host_name" = "${old_host_name#*.}" ] + then + [ "$hostname" = \ + "$old_host_name.$old_domain_name" ] + else + [ "$hostname" = "$old_host_name" ] + fi + elif ${hshort}; then + [ "$hostname" = "${old_host_name%%.*}" ] + else + [ "$hostname" = "$old_host_name" ] + fi + else + # No old hostname + false + fi +} + +try_hostname() +{ + + if valid_domainname "$1"; then + _hostname "$1" + else + syslog err "Invalid hostname: $1" + fi +} + +set_hostname() +{ + local hfqdn=false hshort=false + + need_hostname || return + + case "$hostname_fqdn" in + [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|1) hfqdn=true;; + ""|[Ss][Ee][Rr][Vv][Ee][Rr]) ;; + *) hshort=true;; + esac + + if [ -n "$new_fqdn" ]; then + if ${hfqdn} || ! ${hshort}; then + try_hostname "$new_fqdn" + else + try_hostname "${new_fqdn%%.*}" + fi + elif [ -n "$new_host_name" ]; then + if ${hfqdn}; then + if [ -n "$new_domain_name" -a \ + "$new_host_name" = "${new_host_name#*.}" ] + then + try_hostname "$new_host_name.$new_domain_name" + else + try_hostname "$new_host_name" + fi + elif ${hshort}; then + try_hostname "${new_host_name%%.*}" + else + try_hostname "$new_host_name" + fi + fi +} + +# For ease of use, map DHCP6 names onto our DHCP4 names +case "$reason" in +BOUND6|RENEW6|REBIND6|REBOOT6|INFORM6) + new_fqdn="$new_dhcp6_fqdn" + old_fqdn="$old_dhcp6_fqdn" + ;; +esac + +if $if_up; then + set_hostname +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-dhcpcd-compat b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-dhcpcd-compat new file mode 100755 index 00000000..0d6256e6 --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-dhcpcd-compat @@ -0,0 +1,41 @@ +# Compat enter hook shim for older dhcpcd versions + +IPADDR=$new_ip_address +INTERFACE=$interface +NETMASK=$new_subnet_mask +BROADCAST=$new_broadcast_address +NETWORK=$new_network_number +DHCPSID=$new_dhcp_server_identifier +GATEWAYS=$new_routers +DNSSERVERS=$new_domain_name_servers +DNSDOMAIN=$new_domain_name +DNSSEARCH=$new_domain_search +NISDOMAIN=$new_nis_domain +NISSERVERS=$new_nis_servers +NTPSERVERS=$new_ntp_servers + +GATEWAY= +for x in $new_routers; do + GATEWAY="$GATEWAY${GATEWAY:+,}$x" +done +DNS= +for x in $new_domain_name_servers; do + DNS="$DNS${DNS:+,}$x" +done + +r="down" +case "$reason" in +RENEW) r="up";; +BOUND|INFORM|REBIND|REBOOT|TEST|TIMEOUT|IPV4LL) r="new";; +esac + +if [ "$r" != "down" ]; then + rm -f /var/lib/dhcpcd-"$INTERFACE".info + for x in IPADDR INTERFACE NETMASK BROADCAST NETWORK DHCPSID GATEWAYS \ + DNSSERVERS DNSDOMAIN DNSSEARCH NISDOMAIN NISSERVERS \ + NTPSERVERS GATEWAY DNS; do + eval echo "$x=\'\$$x\'" >> /var/lib/dhcpcd-"$INTERFACE".info + done +fi + +set -- /var/lib/dhcpcd-"$INTERFACE".info "$r" diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-ntp.conf b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-ntp.conf new file mode 100755 index 00000000..74805039 --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-ntp.conf @@ -0,0 +1,141 @@ +# Sample dhcpcd hook script for NTP +# It will configure either one of NTP, OpenNTP or Chrony (in that order) +# and will default to NTP if no default config is found. + +# Like our resolv.conf hook script, we store a database of ntp.conf files +# and merge into /etc/ntp.conf + +# You can set the env var NTP_CONF to override the derived default on +# systems with >1 NTP client installed. +# Here is an example for OpenNTP +# dhcpcd -e NTP_CONF=/usr/pkg/etc/ntpd.conf +# or by adding this to /etc/dhcpcd.conf +# env NTP_CONF=/usr/pkg/etc/ntpd.conf +# or by adding this to /etc/dhcpcd.enter-hook +# NTP_CONF=/usr/pkg/etc/ntpd.conf +# To use Chrony instead, simply change ntpd.conf to chrony.conf in the +# above examples. + +: ${ntp_confs:=ntp.conf ntpd.conf chrony.conf} +: ${ntp_conf_dirs=/etc /usr/pkg/etc /usr/local/etc} +ntp_conf_dir="$state_dir/ntp.conf" + +# If NTP_CONF is not set, work out a good default +if [ -z "$NTP_CONF" ]; then + for d in ${ntp_conf_dirs}; do + for f in ${ntp_confs}; do + if [ -e "$d/$f" ]; then + NTP_CONF="$d/$f" + break 2 + fi + done + done + [ -e "$NTP_CONF" ] || NTP_CONF=/etc/ntp.conf +fi + +# Derive service name from configuration +if [ -z "$ntp_service" ]; then + case "$NTP_CONF" in + *chrony.conf) ntp_service=chronyd;; + *) ntp_service=ntpd;; + esac +fi + +# Debian has a seperate file for DHCP config to avoid stamping on +# the master. +if [ "$ntp_service" = ntpd ] && type invoke-rc.d >/dev/null 2>&1; then + [ -e /var/lib/ntp ] || mkdir /var/lib/ntp + : ${ntp_service:=ntp} + : ${NTP_DHCP_CONF:=/var/lib/ntp/ntp.conf.dhcp} +fi + +: ${ntp_restart_cmd:=service_condcommand $ntp_service restart} + +ntp_conf=${NTP_CONF} +NL=" +" + +build_ntp_conf() +{ + local cf="$state_dir/ntp.conf.$ifname" + local interfaces= header= srvs= servers= x= + + # Build a list of interfaces + interfaces=$(list_interfaces "$ntp_conf_dir") + + if [ -n "$interfaces" ]; then + # Build the header + for x in ${interfaces}; do + header="$header${header:+, }$x" + done + + # Build a server list + srvs=$(cd "$ntp_conf_dir"; + key_get_value "server " $interfaces) + if [ -n "$srvs" ]; then + for x in $(uniqify $srvs); do + servers="${servers}server $x$NL" + done + fi + fi + + # Merge our config into ntp.conf + [ -e "$cf" ] && rm -f "$cf" + [ -d "$ntp_conf_dir" ] || mkdir -p "$ntp_conf_dir" + + if [ -n "$NTP_DHCP_CONF" ]; then + [ -e "$ntp_conf" ] && cp "$ntp_conf" "$cf" + ntp_conf="$NTP_DHCP_CONF" + elif [ -e "$ntp_conf" ]; then + remove_markers "$signature_base" "$signature_base_end" \ + "$ntp_conf" > "$cf" + fi + + if [ -n "$servers" ]; then + echo "$signature_base${header:+ $from }$header" >> "$cf" + printf %s "$servers" >> "$cf" + echo "$signature_base_end${header:+ $from }$header" >> "$cf" + else + [ -e "$ntp_conf" -a -e "$cf" ] || return + fi + + # If we changed anything, restart ntpd + if change_file "$ntp_conf" "$cf"; then + [ -n "$ntp_restart_cmd" ] && eval $ntp_restart_cmd + fi +} + +add_ntp_conf() +{ + local cf="$ntp_conf_dir/$ifname" x= + + [ -e "$cf" ] && rm "$cf" + [ -d "$ntp_conf_dir" ] || mkdir -p "$ntp_conf_dir" + if [ -n "$new_ntp_servers" ]; then + for x in $new_ntp_servers; do + echo "server $x" >> "$cf" + done + fi + build_ntp_conf +} + +remove_ntp_conf() +{ + if [ -e "$ntp_conf_dir/$ifname" ]; then + rm "$ntp_conf_dir/$ifname" + fi + build_ntp_conf +} + +# For ease of use, map DHCP6 names onto our DHCP4 names +case "$reason" in +BOUND6|RENEW6|REBIND6|REBOOT6|INFORM6) + new_ntp_servers="$new_dhcp6_sntp_servers" +;; +esac + +if $if_up; then + add_ntp_conf +elif $if_down; then + remove_ntp_conf +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-yp.conf b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-yp.conf new file mode 100755 index 00000000..2da68ebc --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-yp.conf @@ -0,0 +1,56 @@ +# Sample dhcpcd hook for ypbind +# This script is only suitable for the Linux version. + +ypbind_pid() +{ + [ -s /var/run/ypbind.pid ] && cat /var/run/ypbind.pid +} + +make_yp_conf() +{ + [ -z "$new_nis_domain" -a -z "$new_nis_servers" ] && return 0 + local cf=/etc/yp.conf."$ifname" prefix= x= pid= + rm -f "$cf" + echo "$signature" > "$cf" + if [ -n "$new_nis_domain" ]; then + if ! valid_domainname "$new_nis_domain"; then + syslog err "Invalid NIS domain name: $new_nis_domain" + rm -f "$cf" + return 1 + fi + domainname "$new_nis_domain" + if [ -n "$new_nis_servers" ]; then + prefix="domain $new_nis_domain server " + else + echo "domain $new_nis_domain broadcast" >> "$cf" + fi + else + prefix="ypserver " + fi + for x in $new_nis_servers; do + echo "$prefix$x" >> "$cf" + done + save_conf /etc/yp.conf + cat "$cf" > /etc/yp.conf + rm -f "$cf" + pid="$(ypbind_pid)" + if [ -n "$pid" ]; then + kill -HUP "$pid" + fi +} + +restore_yp_conf() +{ + [ -n "$old_nis_domain" ] && domainname "" + restore_conf /etc/yp.conf || return 0 + local pid="$(ypbind_pid)" + if [ -n "$pid" ]; then + kill -HUP "$pid" + fi +} + +if $if_up; then + make_yp_conf +elif $if_down; then + restore_yp_conf +fi diff --git a/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-ypbind.in b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-ypbind.in new file mode 100755 index 00000000..a9ebbfa6 --- /dev/null +++ b/builder/modules.d/wlan-boot/scripts/dhcpcd-hooks/50-ypbind.in @@ -0,0 +1,86 @@ +# Sample dhcpcd hook for ypbind +# This script is only suitable for the BSD versions. + +: ${ypbind_restart_cmd:=service_command ypbind restart} +: ${ypbind_stop_cmd:=service_condcommand ypbind stop} +ypbind_dir="$state_dir/ypbind" +: ${ypdomain_dir:=@YPDOMAIN_DIR@} +: ${ypdomain_suffix:=@YPDOMAIN_SUFFIX@} + + +best_domain() +{ + local i= + + for i in "$ypbind_dir/$interface_order".*; do + if [ -f "$i" ]; then + cat "$i" + return 0 + fi + done + return 1 +} + +make_yp_binding() +{ + [ -d "$ypbind_dir" ] || mkdir -p "$ypbind_dir" + echo "$new_nis_domain" >"$ypbind_dir/$ifname" + + if [ -z "$ypdomain_dir" ]; then + false + else + local cf="$ypdomain_dir/$new_nis_domain$ypdomain_suffix" + if [ -n "$new_nis_servers" ]; then + local ncf="$cf.$ifname" x= + rm -f "$ncf" + for x in $new_nis_servers; do + echo "$x" >>"$ncf" + done + change_file "$cf" "$ncf" + else + [ -e "$cf" ] && rm "$cf" + fi + fi + + local nd="$(best_domain)" + if [ $? = 0 -a "$nd" != "$(domainname)" ]; then + domainname "$nd" + if [ -n "$ypbind_restart_cmd" ]; then + eval $ypbind_restart_cmd + fi + fi +} + +restore_yp_binding() +{ + + rm -f "$ypbind_dir/$ifname" + local nd="$(best_domain)" + # We need to stop ypbind if there is no best domain + # otherwise it will just stall as we cannot set domainname + # to blank :/ + if [ -z "$nd" ]; then + if [ -n "$ypbind_stop_cmd" ]; then + eval $ypbind_stop_cmd + fi + elif [ "$nd" != "$(domainname)" ]; then + domainname "$nd" + if [ -n "$ypbind_restart_cmd" ]; then + eval $ypbind_restart_cmd + fi + fi +} + +if [ "$reason" = PREINIT ]; then + rm -f "$ypbind_dir/$interface".* +elif $if_up || $if_down; then + if [ -n "$new_nis_domain" ]; then + if valid_domainname "$new_nis_domain"; then + make_yp_binding + else + syslog err "Invalid NIS domain name: $new_nis_domain" + fi + elif [ -n "$old_nis_domain" ]; then + restore_yp_binding + fi +fi |